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SIGMOD
2004
ACM
14 years 27 days ago
2004
ACM
Information in today’s enterprises commonly resides in a variety of heterogeneous data sources, including relational databases, web services, files, packaged applications, and c...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
An eddy [2] is a highly adaptive query processing operator that continuously reoptimizes a query in response to changing runtime conditions. It does this by treating query process...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Whereas search engines assist users in locating initial information sources, often an overwhelmingly large number of ULRs is returned, and the task of browsing websites rests heavi...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
In traditional database security research, the database is usually assumed to be trustworthy. Under this assumption, the goal is to achieve security against external attacks (e.g....